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<pre><span class="sourceLineNo">001</span>package org.teapot.db.orm.mdl;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import java.util.ArrayList;<a name="line.3"></a>
<span class="sourceLineNo">004</span><a name="line.4"></a>
<span class="sourceLineNo">005</span>public class Group implements IClause {<a name="line.5"></a>
<span class="sourceLineNo">006</span>  private ArrayList&lt;String&gt; cols = new ArrayList&lt;String&gt;();<a name="line.6"></a>
<span class="sourceLineNo">007</span>  /*<a name="line.7"></a>
<span class="sourceLineNo">008</span>   * GROUP BY<a name="line.8"></a>
<span class="sourceLineNo">009</span>   * {<a name="line.9"></a>
<span class="sourceLineNo">010</span>   *     column-Name [ , column-Name ]*<a name="line.10"></a>
<span class="sourceLineNo">011</span>   * |<a name="line.11"></a>
<span class="sourceLineNo">012</span>   *     ROLLUP ( column-Name [ , column-Name ]* )<a name="line.12"></a>
<span class="sourceLineNo">013</span>   * }<a name="line.13"></a>
<span class="sourceLineNo">014</span>   *<a name="line.14"></a>
<span class="sourceLineNo">015</span>   * MYSQL<a name="line.15"></a>
<span class="sourceLineNo">016</span>     *     [GROUP BY {col_name | expr | position}<a name="line.16"></a>
<span class="sourceLineNo">017</span>     *       [ASC | DESC], ... [WITH ROLLUP]]<a name="line.17"></a>
<span class="sourceLineNo">018</span>   */<a name="line.18"></a>
<span class="sourceLineNo">019</span>  public Group(String col) {<a name="line.19"></a>
<span class="sourceLineNo">020</span>    this.cols.add(col);<a name="line.20"></a>
<span class="sourceLineNo">021</span>  }<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>  public Group by(String col) {<a name="line.23"></a>
<span class="sourceLineNo">024</span>    this.cols.add(col);<a name="line.24"></a>
<span class="sourceLineNo">025</span>    return this;<a name="line.25"></a>
<span class="sourceLineNo">026</span>  }<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>  /**<a name="line.28"></a>
<span class="sourceLineNo">029</span>   * @see java.lang.Object#toString()<a name="line.29"></a>
<span class="sourceLineNo">030</span>   */<a name="line.30"></a>
<span class="sourceLineNo">031</span>  @Override<a name="line.31"></a>
<span class="sourceLineNo">032</span>  public String toString() {<a name="line.32"></a>
<span class="sourceLineNo">033</span>    StringBuffer buf = new StringBuffer();<a name="line.33"></a>
<span class="sourceLineNo">034</span>    int max = this.cols.size();<a name="line.34"></a>
<span class="sourceLineNo">035</span>    int idx = 0;<a name="line.35"></a>
<span class="sourceLineNo">036</span>    while (idx &lt; max) {<a name="line.36"></a>
<span class="sourceLineNo">037</span>      buf.append(this.cols.get(idx));<a name="line.37"></a>
<span class="sourceLineNo">038</span>      idx ++;<a name="line.38"></a>
<span class="sourceLineNo">039</span>      if (idx &lt; max) {<a name="line.39"></a>
<span class="sourceLineNo">040</span>        buf.append(",");<a name="line.40"></a>
<span class="sourceLineNo">041</span>      }<a name="line.41"></a>
<span class="sourceLineNo">042</span>    }<a name="line.42"></a>
<span class="sourceLineNo">043</span>    return buf.toString();<a name="line.43"></a>
<span class="sourceLineNo">044</span>  }<a name="line.44"></a>
<span class="sourceLineNo">045</span>}<a name="line.45"></a>




























































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